Home / 227,849.20-312,148.23-219,330.40

Finding the Fourth Proportional to 227,849.20, 312,148.23 and 219,330.40

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Solution

The fourth proportional to 227,849.20, 312,148.23 and 219,330.40 is: 300,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,849.20 : 312,148.23 = 219,330.40 : x
  2. Step 2: Convert to fraction form
    227,849.20/312,148.23 = 219,330.40/x
  3. Step 3: Cross multiply
    227,849.20x = 312,148.23 × 219,330.40
  4. Step 4: Simplify right side
    227,849.20x = 68,463,596,145.19
  5. Step 5: Solve for x
    x = 68,463,596,145.19/227,849.20
  6. Step 6: Final answer
    x = 300,477.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.